Support for bundling Chromium unittests into a tarball.

blimp/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 # Convenience meta-target for all of Blimp's production & test code.
 group("blimp") {
@@ skipping 119 matching lines @@
     ]
 
     # By specifying a dependency (not a data_dependency) on :blimp_tests_group,
     # we can be sure that everything is built before the action is
     # complete (though not necessarily before we generate the manifest
     # itself).
     deps = [
       ":blimp_engine_env_tests_group",
     ]
   }
+
+  # Builds and bundles the tests into a tarball that can be used to build a
+  # Docker image.
+  action("blimp_engine_env_tests_bundle") {
+    testonly = true
+    script = "//blimp/tools/bundle.py"
+
+    # These form the arguments to the script.
+    _rebased_out_dir = rebase_path(root_out_dir)
+    _rebased_dockerfile = rebase_path("//blimp/Dockerfile")
+    _bundle = "$root_out_dir/blimp_engine_env_tests_bundle.tar.gz"
+
+    # Depending on this ensures that both the manifest is generated
+    # and everything in the manifest has been built.

[Wez, 2016/06/06 23:52:15]

nit: ... everything listed in the ...

[Jess, 2016/06/07 00:28:37]

Done.

+    deps = [
+      ":generate_blimp_engine_env_tests_manifest",
+    ]
+
+    sources = [
+      _blimp_engine_env_tests_manifest,
+      _rebased_dockerfile,
+    ]
+    outputs = [
+      _bundle,
+    ]
+
+    # Manually specify the actual arguments to the script.

[Wez, 2016/06/06 23:52:15]

nit: This comment seems superfluous - isn't this how all action()s are
structured?

[Jess, 2016/06/07 00:28:37]

Removed.

+    args = [
+      "--build-dir",
+      _rebased_out_dir,
+      "--dockerfile",
+      _rebased_dockerfile,
+      "--manifest",
+      _rebased_blimp_engine_env_tests_manifest,
+      "--output",
+      rebase_path(_bundle),
+    ]
+  }
 }